$104+ Cheap flights from San Diego

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAN — GTF
6 Sep — 13 Sep1
1 adult

What to know about flights from San Diego

Discover essential information about flights departing from San Diego, including flight schedules, destinations, airlines operating at the San Diego airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 1 September 2025.

Good round-trip deal

$580 or less

Good one-way deal

$54 or less
Price to beat on a round-trip flight from San Diego.
Price to beat on a one-way flight from San Diego.

Find flights from San Diego

Cheapest flights from San Diego
Explore the most affordable flight options available from San Diego. Find the lowest fares based on data from user searches, with prices last updated on 1 September 2025.

Thu 25/915:45SAN - BZN
1 stop5h 50mSouthwest
Mon 29/906:25BZN - SAN
1 stop7h 00mSouthwest
Deal found 1/9$279
Wed 1/1008:00SAN - BZN
1 stop6h 16mUnited Airlines
Wed 8/1016:19BZN - SAN
1 stop7h 25mUnited Airlines
Deal found 1/9$288
Tue 23/908:00SAN - BZN
1 stop5h 59mUnited Airlines
Fri 26/916:30BZN - SAN
1 stop6h 45mUnited Airlines
Deal found 31/8$298
Fri 5/1213:30SAN - BZN
1 stop8h 15mSouthwest
Tue 9/1210:45BZN - SAN
1 stop6h 25mSouthwest
Deal found 31/8$301
Mon 29/915:45SAN - BZN
1 stop5h 50mSouthwest
Mon 6/1020:00BZN - SAN
1 stop4h 05mSouthwest
Deal found 1/9$305
Thu 9/1016:15SAN - BZN
1 stop5h 55mSouthwest
Mon 13/1020:00BZN - SAN
1 stop4h 05mSouthwest
Deal found 1/9$334
Fri 14/1109:00SAN - BZN
2 stops7h 10mSouthwest
Sun 16/1117:45BZN - SAN
1 stop5h 00mSouthwest
Deal found 1/9$342
Fri 24/1019:10SAN - BZN
1 stop3h 54mDelta
Mon 27/1005:35BZN - SAN
1 stop4h 05mDelta
Deal found 1/9$362
Thu 23/1015:15SAN - BZN
1 stop5h 59mDelta
Sun 26/1005:35BZN - SAN
1 stop4h 05mDelta
Deal found 31/8$377
Wed 17/909:55SAN - BZN
1 stop5h 55mSouthwest
Wed 24/912:55BZN - SAN
1 stop5h 30mSouthwest
Deal found 31/8$380
Wed 17/913:55SAN - BZN
1 stop7h 28mDelta
Sat 20/907:35BZN - SAN
1 stop6h 22mDelta
Deal found 31/8$392
Thu 30/1009:45SAN - GTF
1 stop6h 44mDelta
Sun 2/1118:09GTF - SAN
1 stop6h 49mDelta
Deal found 31/8$510

Find flights from San Diego within your budget

 
Find flights departing from San Diego that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 1 September 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Great Falls

Route

Depart

Return

Price

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Thu 25/9

15:45-22:35

1 stop5h 50m

Bozeman Gallatin Field

Mon 29/9

06:25-12:25

1 stop7h 00m

$279

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Wed 1/10

08:00-15:16

1 stop6h 16m

Bozeman Gallatin Field

Wed 8/10

16:19-22:44

1 stop7h 25m

$288

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Tue 23/9

08:00-14:59

1 stop5h 59m

Bozeman Gallatin Field

Fri 26/9

16:30-22:15

1 stop6h 45m

$298

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Fri 5/12

13:30-22:45

1 stop8h 15m

Bozeman Gallatin Field

Tue 9/12

10:45-16:10

1 stop6h 25m

$301

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Mon 29/9

15:45-22:35

1 stop5h 50m

Bozeman Gallatin Field

Mon 6/10

20:00-23:05

1 stop4h 05m

$305

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Fri 14/11

16:15-00:15

1 stop7h 00m

Bozeman Gallatin Field

Sun 16/11

05:00-11:35

1 stop7h 35m

$334

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Fri 10/10

17:25-23:10

1 stop4h 45m

Bozeman Gallatin Field

Mon 13/10

20:00-23:05

1 stop4h 05m

$334

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Thu 9/10

16:15-23:10

1 stop5h 55m

Bozeman Gallatin Field

Mon 13/10

20:00-23:05

1 stop4h 05m

$334

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Thu 5/2

15:20-22:19

1 stop5h 59m

Bozeman Gallatin Field

Tue 10/2

05:45-09:11

1 stop4h 26m

$362

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 30/10

09:45-17:29

1 stop6h 44m

Great Falls

Sun 2/11

18:09-23:58

1 stop6h 49m

$510

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 60 results
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Best time to book a flight from San Diego

Have a flexible travel schedule? Discover the best time to fly from San Diego with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Diego

Get recent, data-driven insights about flights from San Diego including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from San Diego?

Currently, March is the cheapest month in which you can book a flight from San Diego (average of $188). Flying from San Diego in December will prove the most costly (average of $479). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Browse thousands of different options on Cheapflights for your next trip

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Direct flights from California

Book a direct flight from one of these other cities located in California.

Related info for your journey

Access useful and relevant information related to your journey from San Diego. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 1 September 2025.
  • What are the most popular destinations to fly to from San Diego?

    For the current month, the most popular flights from San Diego are Boston, Chicago, Atlanta. Boston, Chicago, Atlanta are the most popular locations from San Diego year round.

  • What is the cheapest flight from San Diego to anywhere?

    Users have flown out of San Diego for as low as $49 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for $559 to fly from San Diego.

  • What is the cheapest premium economy flight from San Diego?

    Options for some of the cheapest premium economy flights from San Diego we have found on Cheapflights are as follows:
    Fly from San Diego to London Heathrow Airport starting at $2,805
    Fly from San Diego to Seattle starting at $2,916

  • What is the cheapest first class flight from San Diego?

    If you’re looking to fly first-class from San Diego to anywhere, put Philadelphia on your list as prices start at $2,455 for this destination.

  • What is the cheapest month to fly from San Diego?

    Currently, the cheapest month for flights from San Diego is March. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from San Diego?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from San Diego?

    Millions of users choose and trust Cheapflights to book the best flight deals from San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

  • Can Cheapflights find flights from San Diego with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from San Diego, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from San Diego become cheaper?

    Yes! Start tracking prices for flights from San Diego today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Diego?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Diego?

Millions of users choose and trust Cheapflights to book the best flight deals from San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from San Diego with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Diego, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Diego become cheaper?

Yes! Start tracking prices for flights from San Diego today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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